Search for: [Subject and Keywords = Biology] OR [Subject and Keywords = Biology \- living creatures and their surroundings \- plant food \- human relations to other living creatures] OR [Subject and Keywords = Biologia] OR [Subject and Keywords = Biologia \- żywe istoty a ich otoczenie \- żywność roślinna \- relacje człowieka do innych istot żywych] OR [Title = Problems in biology] OR [Creator = Hunter, George W. \(1873–1948\)]